Home / 4,150,721.91-5,727,981.51-2,315,178.75

Finding the Fourth Proportional to 4,150,721.91, 5,727,981.51 and 2,315,178.75

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Solution

The fourth proportional to 4,150,721.91, 5,727,981.51 and 2,315,178.75 is: 3,194,938.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,150,721.91 : 5,727,981.51 = 2,315,178.75 : x
  2. Step 2: Convert to fraction form
    4,150,721.91/5,727,981.51 = 2,315,178.75/x
  3. Step 3: Cross multiply
    4,150,721.91x = 5,727,981.51 × 2,315,178.75
  4. Step 4: Simplify right side
    4,150,721.91x = 13,261,301,072,344.91
  5. Step 5: Solve for x
    x = 13,261,301,072,344.91/4,150,721.91
  6. Step 6: Final answer
    x = 3,194,938.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.